MARYLAND PESTICIDE APPLICATOR TEST
BANK 2026 UPDATED QUESTIONS AND EXPERT
ANSWERS GRADED A+
◉ what should you do first if you see damage to a plant, animal, or
valuable product/. Answer: identify the cause
◉ what should you do first if you discover a pest that may need to be
controlled? Answer: make sure the pest is actually responsible for the
damage. then accurately identify the pest
◉ how can pest identification help you develop a good pest control
strategy? Answer: it allows you to determine basic information about the
pest, including its life-cycle and when it is most susceptible to control
measures.
◉ name the 5 basic pest groups. Answer: weeds, parasites and diseases,
mollusks, arthropods, and vertebrates.
◉ why do weeds present such a challenge to pest managers? Answer:
weeds are often hardy, aggressive, and tolerant of harsh conditions.
many produce large numbers of seeds which can spread over a wide area
and remain dormant for a long time.
,◉ how can you tell a monocot from a dicot? Answer: monocots (sedges
and grasses) have one cotyledon, parallel leaf veins, flower parts in
multiples of 3 and fibrous roots. Dicots have 2 cotyledons, broad leaves
with netted veination, and flower parts in multiples of 4 and 5 and
usually have taproots.
◉ name the pathogens that cause most plant and animal diseases.
Answer: fungi, bacteria, mycoplasma, and viruses
◉ what are the symptoms of viral plant diseases. Answer: stunting,
yellow rings on leaves, wilting, and mosaic patterns
◉ how do plant parasitic nematodes harm plants? Answer: by attacking
the roots, stems and leaves. nematode root feeding interferes with a
plants ability to take up water and nutrients. infected plants wilt and
seem to be suffering from a lack of water or nutrients.
◉ how do mollusks harm plants? Answer: by feeding on foliage and
fruit. mollusks reduce the value of commercial produce if they feed on
harvested plants and fruit.
◉ what are arthropods? how do they differ from vertebrates? Answer:
arthropods are animals with segmented bodies and jointed appendages.
Arthropods have an external skeleton and may have specialized
appendages such as sucking tubes, chewing mouth parts, antennae, and
pincers. they have no backbones like vertebrates
, ◉ what is the difference between gradual and complete metamorphosis?
why is it important to know the life cycle stage of an insect? Answer:
gradual metamorphosis includes 3 stages: egg, nymph and adult. there is
no pupa stage. complete metamorphosis includes 4 stages: egg, larva,
pupa, and adult. insects that develop via complete metamorphosis
change body form. larvae may not look at all like adults within the same
species.it is very important to recognize the damaging stage for best
treatment results. many insect are pests in one stage but not another.
especially larval form.
◉ what are beneficial insects? and why are they important to
agriculture? Answer: insects that are pollinators (bees and butterflies) or
pest predators (ladybeetles and lacewings). with out pollinators many
types of plants could not reproduce and beneficial predators feed on
harmful insects, mites, and weeds.
◉ how do mites harm plants? Answer: They suck the plant juices, eat
the underside of leaves, and disfigure the plants they feed on.
◉ what is an economic threshold? Answer: the level at which economic
losses caused by pest damage, if the pest population continued to grow,
would be greater than the cost of controlling the pests. reaching an
economic threshold usually prompts some kind of pest control action.
◉ how are thresholds important to a sound pest control strategy?
Answer: setting a treatment or action threshold is essential to prevent the
BANK 2026 UPDATED QUESTIONS AND EXPERT
ANSWERS GRADED A+
◉ what should you do first if you see damage to a plant, animal, or
valuable product/. Answer: identify the cause
◉ what should you do first if you discover a pest that may need to be
controlled? Answer: make sure the pest is actually responsible for the
damage. then accurately identify the pest
◉ how can pest identification help you develop a good pest control
strategy? Answer: it allows you to determine basic information about the
pest, including its life-cycle and when it is most susceptible to control
measures.
◉ name the 5 basic pest groups. Answer: weeds, parasites and diseases,
mollusks, arthropods, and vertebrates.
◉ why do weeds present such a challenge to pest managers? Answer:
weeds are often hardy, aggressive, and tolerant of harsh conditions.
many produce large numbers of seeds which can spread over a wide area
and remain dormant for a long time.
,◉ how can you tell a monocot from a dicot? Answer: monocots (sedges
and grasses) have one cotyledon, parallel leaf veins, flower parts in
multiples of 3 and fibrous roots. Dicots have 2 cotyledons, broad leaves
with netted veination, and flower parts in multiples of 4 and 5 and
usually have taproots.
◉ name the pathogens that cause most plant and animal diseases.
Answer: fungi, bacteria, mycoplasma, and viruses
◉ what are the symptoms of viral plant diseases. Answer: stunting,
yellow rings on leaves, wilting, and mosaic patterns
◉ how do plant parasitic nematodes harm plants? Answer: by attacking
the roots, stems and leaves. nematode root feeding interferes with a
plants ability to take up water and nutrients. infected plants wilt and
seem to be suffering from a lack of water or nutrients.
◉ how do mollusks harm plants? Answer: by feeding on foliage and
fruit. mollusks reduce the value of commercial produce if they feed on
harvested plants and fruit.
◉ what are arthropods? how do they differ from vertebrates? Answer:
arthropods are animals with segmented bodies and jointed appendages.
Arthropods have an external skeleton and may have specialized
appendages such as sucking tubes, chewing mouth parts, antennae, and
pincers. they have no backbones like vertebrates
, ◉ what is the difference between gradual and complete metamorphosis?
why is it important to know the life cycle stage of an insect? Answer:
gradual metamorphosis includes 3 stages: egg, nymph and adult. there is
no pupa stage. complete metamorphosis includes 4 stages: egg, larva,
pupa, and adult. insects that develop via complete metamorphosis
change body form. larvae may not look at all like adults within the same
species.it is very important to recognize the damaging stage for best
treatment results. many insect are pests in one stage but not another.
especially larval form.
◉ what are beneficial insects? and why are they important to
agriculture? Answer: insects that are pollinators (bees and butterflies) or
pest predators (ladybeetles and lacewings). with out pollinators many
types of plants could not reproduce and beneficial predators feed on
harmful insects, mites, and weeds.
◉ how do mites harm plants? Answer: They suck the plant juices, eat
the underside of leaves, and disfigure the plants they feed on.
◉ what is an economic threshold? Answer: the level at which economic
losses caused by pest damage, if the pest population continued to grow,
would be greater than the cost of controlling the pests. reaching an
economic threshold usually prompts some kind of pest control action.
◉ how are thresholds important to a sound pest control strategy?
Answer: setting a treatment or action threshold is essential to prevent the
